Potterton Paramount three 30 Installation Manual page 89

Charging priority
(1630)
Legionella function
(1640)
Legionella funct periodically
(1641)
Legionella funct weekday
(1642)
7308272-03 03.14
Fig. 20: Release depending on the time switching programmes of the
heating circuits (example#)
- Time program 4 The DHW temperature will be switched over between the nomi-
nal setpoint and the reduced setpoint independent from the time switching pro-
grams of the heating circuits. In this case, the time switching programme 4 will
be used (see Fig. 21 ).
Fig. 21: Release according to time switching programme 4 (example)
This function ensures that the boiler capacity is primarily made available for DHW
in case of simultaneous capacity demand by room heatings and DHW.
- Absolute priority: Mixer and pumped heating circuits are blocked until the DHW
has been heated up.
- Shifting priority: Should the boiler capacity not be sufficient to heat up DHW,
mixer and pumped heating circuits will be restricted.
- None priority: Charging DHW is carried out in parallel with heating operation.
- MC shifting, PC absolute: Pumped heating circuits are blocked until the DHW
has been heated up. Should the boiler capacity not be sufficient, also the mixer
circuit will be restricted.
Function to kill legionella germs by heating up to the set legionella function set-
point (see programme number 1645).
- Off: Legionella function is switched off.
- Periodically: Legionella function is repeated periodically, depending on the set
value (prog. no. 1641).
- Fixed weekday: Legionella function will be activated on a certain weekday
(prog. no. 1642).
Setting the interval for the legionella function periodically (recommended setting
in case of additional drinking water heating by solar plant in connection with a st
tankmixing pump).
Selection of the weekday for the legionella function fixed weekday (factory set-
ting).
Paramount three 30-115 kW
Programming
89